Help me out? most brainliest!

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?